* compares two versions.
 *
 */
public interface ArtifactVersion extends Comparable<ArtifactVersion> {
    int getMajorVersion();

    int getMinorVersion();

    int getIncrementalVersion();

    int getBuildNumber();

    String getQualifier();

    void parseVersion(String version);

        String parsed = "'" + version + "' parsed as ('" + artifactVersion.getMajorVersion() + "', '"
                + artifactVersion.getMinorVersion() + "', '" + artifactVersion.getIncrementalVersion() + "', '"
                + artifactVersion.getBuildNumber() + "', '" + artifactVersion.getQualifier() + "'), ";
        assertEquals(major, artifactVersion.getMajorVersion(), parsed + "check major version");

        return majorVersion != null ? majorVersion : 0;
    }

    public int getMinorVersion() {
        return minorVersion != null ? minorVersion : 0;
    }

    public int getIncrementalVersion() {
        return incrementalVersion != null ? incrementalVersion : 0;
    }

    public int getBuildNumber() {
        return buildNumber != null ? buildNumber : 0;
    }